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Vulnerability details: VCID-1bxf-s34t-sffn
Vulnerability ID VCID-1bxf-s34t-sffn
Aliases CVE-2005-4836
GHSA-qrcx-p4rr-g48h
Summary The HTTP/1.1 connector in Apache Tomcat 4.1.15 through 4.1.40 does not reject NULL bytes in a URL when allowLinking is configured, which allows remote attackers to read JSP source files and obtain sensitive information.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
epss 0.00917 https://api.first.org/data/v1/epss?cve=CVE-2005-4836
apache_tomcat Moderate https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4836
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-qrcx-p4rr-g48h
generic_textual HIGH https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3E
generic_textual HIGH https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3E
generic_textual HIGH https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3E
cvssv2 7.8 https://nvd.nist.gov/vuln/detail/CVE-2005-4836
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2005-4836
generic_textual HIGH http://tomcat.apache.org/security-4.html
generic_textual HIGH http://www.securityfocus.com/bid/28483
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2005-4836
https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3@%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E
http://tomcat.apache.org/security-4.html
http://www.securityfocus.com/bid/28483
cpe:2.3:a:apache:tomcat:4.1.15:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.16:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.16:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.17:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.18:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.18:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.19:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.19:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.20:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.20:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.21:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.21:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.22:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.22:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.23:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.23:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.24:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.24:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.25:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.25:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.26:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.26:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.27:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.27:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.28:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.28:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.29:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.29:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.29:alpha:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.29:alpha:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.30:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.31:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.32:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.33:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.34:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.35:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.36:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.36:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.37:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.37:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.39:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.39:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:4.1.40:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:tomcat:4.1.40:*:*:*:*:*:*:*
CVE-2005-4836 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4836
CVE-2005-4836 https://nvd.nist.gov/vuln/detail/CVE-2005-4836
GHSA-qrcx-p4rr-g48h https://github.com/advisories/GHSA-qrcx-p4rr-g48h
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2005-4836
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.75867
EPSS Score 0.00917
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:38:19.522221+00:00 Apache Tomcat Importer Import https://tomcat.apache.org/security-4.html 38.0.0